CN102520880A - System raid management module design method - Google Patents
System raid management module design method Download PDFInfo
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- CN102520880A CN102520880A CN2011103925195A CN201110392519A CN102520880A CN 102520880 A CN102520880 A CN 102520880A CN 2011103925195 A CN2011103925195 A CN 2011103925195A CN 201110392519 A CN201110392519 A CN 201110392519A CN 102520880 A CN102520880 A CN 102520880A
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Abstract
The invention provides a system raid management module design method. A system raid management module has an own running program, and the program is directly burned into a memory of the system raid management module. For the system raid management module, the most important is the time for mirror copy. The system raid management module can affect running safety of the whole system so that the system raid management module must be operated by management personnel of the system, password authentication is necessary, and password authentication is performed when the system raid management module has just been performed. To-be-achieved software functions include the following steps: a password authentication, b function selection, including raid rebuilding, checking rebuilding progress, fault disc outage, restoring power after new disc replacement, raid strip size selection during beginning time of building the system raid, raid type selection, member disc and hot spare selection, and c logging out of the system safely after completion.
Description
Technical field
The present invention relates to a kind of Computer Applied Technology field, specifically a kind of system raid administration module method for designing.
The present invention relates to technical fields such as computer system, storage, be specifically related to depositing in the raid system, that is to say and use raid as system disk for the operating system of large-scale computer system.For using raid to do under the situation of system disk, more convenient in order to manage, can design one and be used to manage raid system disk special module, patent specification is mainly told about the method for the design of hardware and software of this module.
Background technology
Present large computer system (various servers, the network storage equipment, supercomputer system) major part all is to be in various key issue in application, and their safe operation is related to network, the carrying out smoothly of application such as calculating.Particularly cloud computing is now used when having begun to be penetrated into all trades and professions, improves the safe operation of main equipment, seems particularly important.
The safe operation of computer system comprises the safe operation of hardware system and software systems (particularly operating system), and hardware system can solve through the HA mode through backup hardware then.Present large computer system hardware is greatly improved on reliability now, and the probability that breaks down is more much smaller than the probability that computer software breaks down.Therefore the safe operation of computer system mainly is the security of the security of system that will improve software, particularly operating system.In present stage; A lot of Computer Companies is in order to improve the security of operated system; On the raid dish, (mainly be to use operating system installation raid1 to do system disk), under the situation that a certain dish on raid breaks down like this, system still can safe operation.When but if present computer system uses raid to do system disk, need be before installing just must newly-built raid, also can only be that system just can carry out when being not activated to the management of system disk.
For raid; After an adjustment debit is gone bad therein according to theory; Raid can oneself rebuild, but from present practical application, when having a dish to break down for the raid system disk; After using new building replacement faulty disk, it is disappointing that other member's dishes of new building and raid are rebuild effect.After inserting new building, the situation of system reconstructing is known nothing, both do not known whether to begin to rebuild, whether do not go wrong in also not knowing to rebuild, also do not know whether rebuild success simultaneously.This plays vital equipment for this system is moved of system disk, be any mishap should not occur, and present loom possibly buried great hidden.Certainly the raid of system is rebuild and when system restarts, to get into embedded bios and just can carry out.But because need restart, and the startup and shutdown of large computer system will be brought very big harmful effect.Such as, large storage facilities has a lot of clients to send a lot of important real time datas to it, and the shutdown of storage system possibly to be client can not store data, if do not coordinate, also possibly make loss of data, this consequence is just very serious.So present system raid administration module has very big defective on reality is used.If can design a module, can in system's operation, the raid of system be managed, top like this problem just can be resolved.The design of hardware and software method of this module will be discussed below, and this module the purpose that will reach.
Summary of the invention
The purpose of this invention is to provide a kind of system raid administration module method for designing.
The objective of the invention is to realize, comprise 1 by following mode) the function design of system raid administration module: the 2) design of the raid of system administration module hardware: 3) panel designs: 4) software module flow scheme design, wherein:
1) function of the raid of system administration module design:
A, system raid administration module are specifically designed to the management to the raid of system, report to the police when can perhaps break down to member's dish of the raid of system;
B, designed system raid administration module; A spot of button is arranged; Can carry out shirtsleeve operation to the raid of system, comprise that raid rebuilds, raid member's dish low-quality disk occurs the dish that breaks down is cut off the power supply; So that the replacing new building, the plug that can prevent system disk produces harmful effect to main system or influences the stability of system;
C, designed system raid administration module; The reconstruction progress that can show current raid; Can be to raid whether in the progress of rebuilding and rebuilding or finally whether create and successfully provide corresponding prompting; Also to provide clearly prompting to the mistake that occurs in the middle of the process of reconstruction, solve so that managerial personnel take measures on customs clearance;
D, designed system raid administration module; The busy degree of ability supervisory system raid member dish; Comprise raid member's dish and main system data read-write busy extent, the busy degree of raid member's dish has been arranged, just can confirm when to do mirror-image copies; When module is done mirror-image copies, there is the cpu of module oneself to control;
2) design of the raid of system administration module hardware:
A, panel designs: design a little LCDs, be used to show the selection of various functions, the progress when carrying out various function, success and bomp show;
B, button design: 1) function selecting key is used to select various functions; 2) acknowledgement key is used to confirm the function executing of selecting; 3) shift key up and down;
C, designed system raid administration module need the CPU of oneself, can obtain the busy degree that the raid member of system dish is communicated by letter with main system, when carry out mirror-image copies so that start;
D, the dish of the member above the system raid still link to each other with system board through data line; Also link to each other simultaneously with management raid system disk module; The power supply of system raid member dish is by module controls, and it is directly to link to each other with system board that the member is coiled data line, and the continuous of management raid system disk module is to link to each other through an adapter; This adapter supervisory system raid member dish and the mutual frequent degree of main system data, but do not influence the data interaction between main system and the member's dish;
3) panel designs figure:
Because being used for the raid of system now is raid1 basically, so following panel has only been used two disk slots, following selection key; Be used for the selection that raid rebuilds function, when breaking down, select faulty disk is carried out power down process for raid member's dish; Acknowledgement key is mainly used in the function that options button is selected and confirms; So that administration module is carried out relevant function, upwards, button or be used for the selection of systemic-function downwards; The downward function key that makes progress or be used for the setting of password, the initial value of each all is 5 in the time of setting code;
Main frame and disk can not be affected because of the existence of adapter, regard as directly to communicate, and be identical with whether the adapter effect being arranged; But adapter obtains the data of communicating by letter between main frame and disk; Like this, system raid administration module obtains the busy degree of disk based on the flow of data, if when mirror-image copies will be done by system; And main frame and disk are communicated by letter relative idle the time; System raid administration module just can start mirror-image copies, and raid is rebuild, and in this process, does not need the participation of host CPU; It is that the data of two dishes are flowed that path is arranged in the adapter, and illustrative system raid administration module is an embedded integrated circuit board that oneself has cpu once more;
4) Software Module Design flow process:
System raid management mould has oneself and gets working procedure, and the internal memory of the direct burned system raid management mould of program, most importantly when carries out mirror-image copies for the raid of system management mould;
Because the administration module of the raid of system can have influence on the security of operation of total system; So the operation of system raid administration module must be the managerial personnel of system; Must carry out cipher authentication, the authentication of password is when just the raid of system management mould being operated, to carry out;
5) the software function that need realize has following several steps:
A, cipher authentication;
The selection of b, function: comprise that raid rebuilds, check the reconstruction progress, the faulty disk outage renews the dish back and recovers outage, and the raid stripe size when beginning to create the raid of system is selected, and the raid type selecting is selected member's dish and HotSpare disk;
Safety logs off after c, the completion
6) each modular design need describe the raid process of reconstruction:
Topmost in the Raid process of reconstruction have following a few part:
Whether (1) obtain the raid member of system dish busy, if busy then temporarily wait for, if busy then check system first copying data whether accomplish;
(2), then carry out data comparison verification, if not have completion then proceed the copy of data if copying data is accomplished first;
(3) in the comparison verification,, different data blocks is copied again the verification of comparing of the data block of two dishes after for the first time copy is accomplished; And the comparison data block is recorded in the middle of the file, then main system is judged the operation of system disk, judge whether it is the retouching operation that the data block of comparison verification is carried out; If; Then data block is copied again, if not, then proceed to compare verification;
(4) judge whether the comparison verification is accomplished; If do not proceed for the 3rd step; If accomplish, then send raid and rebuild completion information to main system, whether raid accomplishes can to coil number identical with original system raid member from the data block number of comparison verification; If identical and main system is not carried out write operation to each data block then can be regarded the comparison verification as and accomplish, and thinks that the raid of system rebuilds completion.
The invention has the beneficial effects as follows: have reasonable in design, simple in structure, be easy to characteristics such as processing, little, easy to use, the one-object-many-purposes of volume, thereby, have good value for applications.
Description of drawings
Fig. 1 is the structural representation of module controls panel;
Fig. 2 is the part-structure synoptic diagram of adapter;
Fig. 3 is that raid rebuilds process flow diagram.
Embodiment
Explanation at length below with reference to Figure of description method of the present invention being done:
1) management raid system disk Module Design method of the present invention comprises 1) design of the function of system raid administration module: the 2) design of the raid of system administration module hardware: 3) panel designs: 4) software module flow scheme design, wherein:
1) function of the raid of system administration module design:
A, this module are specifically designed to the management to the raid of system, report to the police when can perhaps break down to member's dish of the raid of system;
B, module have a spot of button; Can carry out shirtsleeve operation to the raid of system; Rebuild like raid, raid member's dish low-quality disk occurs the dish that breaks down is cut off the power supply, so that change new building; The plug that can prevent system disk like this produces harmful effect to main system, and the stability of system goes wrong;
C, module can show the reconstruction progress of current raid, can whether rebuild raid, and the progress of rebuilding, finally whether create successfully providing corresponding prompting.Also to provide clearly prompting to the mistake that occurs in the middle of the process of reconstruction, solve so that managerial personnel take measures on customs clearance;
The busy degree of d, module ability supervisory system raid member dish (mainly being raid member's dish and main system data read-write busy extent), the busy degree that has had raid member to coil just can confirm when to do mirror-image copies.When module is done mirror-image copies, there is module oneself to get cpu and controls;
2) management raid system disk module hardware method for designing:
A, panel designs: design a little LCDs, be used to show the selection of various functions, the progress when carrying out various function, whether success, and bomp shows;
B, button design: 1, function selecting key is used to select various functions; 2, acknowledgement key is used to confirm the function executing of selecting; 3, shift key up and down;
C, this module need the CPU of oneself, and module can be obtained the busy degree that the raid member of system dish is communicated by letter with main system, when carries out mirror-image copies so that start;
D, the dish of the member above the system raid still link to each other with system board through data line, also link to each other with the administration module of the raid of system simultaneously.The power supply of system raid member dish is by module controls.It is directly to link to each other with system board that the member is coiled data line, and module to link to each other be to link to each other through an adapter.This adapter can supervisory system raid member dish and the mutual frequent degree of main system data.But do not influence the data interaction between main system and the member dish;
3) panel designs figure:
Because being used for the raid of system now is raid1 basically, so following panel has only been used two disk slots.Below selection key, be mainly used in the selection of function, rebuild function such as being used to be selected in raid, when breaking down, can select faulty disk is carried out power down process for raid member's dish, or the like.Acknowledgement key is mainly used in the function that options button is selected to be confirmed, so that administration module is carried out relevant function.Upwards, button also can be used for the selection of systemic-function downwards, and the downward function key that makes progress also can be used for the setting of password.The initial value of each all is 5 in the time of setting code;
Main frame and disk can not be affected because of the existence of adapter, can regard as directly to communicate, and be identical with whether the adapter effect being arranged.But adapter can obtain the data of communicating by letter between main frame and disk; Like this; System raid administration module can obtain the busy degree of disk according to the flow of data, if when mirror-image copies will be done by system, and main frame is communicated by letter with disk relatively idle the time; System raid administration module just can start mirror-image copies, and raid is rebuild.In this process, do not need the participation of host CPU.It is the streams data that makes two dishes that path is arranged in the adapter.Illustrative system raid administration module is an embedded integrated circuit board once more, and oneself has cpu;
4) Software Module Design flow process:
System raid module has oneself and gets working procedure, and the internal memory of the direct burned administration module of program, most importantly when carries out mirror-image copies for administration module;
Because the administration module of the raid of system can have influence on the security of operation of total system; So the operation of system raid administration module must be the managerial personnel of system; So must carry out cipher authentication, the authentication of password is just in the operating of raid administration module;
The function that software need be realized has several as follows:
A, cipher authentication;
The selection of b, function: comprise that raid rebuilds, check the reconstruction progress, the faulty disk outage renews the dish back and recovers outage, and the raid stripe size when beginning to create the raid of system is selected, the raid type selecting, and to member's dish, HotSpare disk is selected;
Safety logs off after c, the completion;
Need describe the raid process of reconstruction for each top modular design:
5) topmost in the Raid process of reconstruction have following a few part:
Whether (1) obtain the raid member of system dish busy, if busy then temporarily wait for, if busy then check system first copying data whether accomplish;
(2), then carry out data comparison verification if copying data is accomplished first.If do not have to accomplish then proceed the copy of data;
(3) in the comparison verification,, different data blocks is copied again the verification of comparing of the data block of two dishes after for the first time copy is accomplished.And the comparison data block is recorded in the middle of the file.Then main system is judged the operation of system disk, judged whether it is the retouching operation that the data block of comparison verification is carried out, if then data block is copied again, if not, then proceed to compare verification;
(4) judge whether the comparison verification is accomplished; If do not proceed for the 3rd step; If accomplish, then send raid and rebuild completion information to main system, whether raid accomplishes can to coil number identical with original system raid member from the data block number of comparison verification; If identical and main system is not carried out write operation to each data block then can be regarded the comparison verification as and accomplish, and thinks that the raid of system rebuilds completion.
Except that the described technical characterictic of instructions, be the known technology of those skilled in the art.
Claims (1)
1. the raid of a system administration module method for designing is characterized in that comprising 1) design of the function of system raid administration module: the 2) design of the raid of system administration module hardware: 3) panel designs: 4) software module flow scheme design, wherein:
1) function of the raid of system administration module design:
A, system raid administration module are specifically designed to the management to the raid of system, report to the police when can perhaps break down to member's dish of the raid of system;
B, designed system raid administration module; A spot of button is arranged; Can carry out shirtsleeve operation to the raid of system, comprise that raid rebuilds, raid member's dish low-quality disk occurs the dish that breaks down is cut off the power supply; So that the replacing new building, the plug that can prevent system disk produces harmful effect to main system or influences the stability of system;
C, designed system raid administration module; The reconstruction progress that can show current raid; Can be to raid whether in the progress of rebuilding and rebuilding or finally whether create and successfully provide corresponding prompting; Also to provide clearly prompting to the mistake that occurs in the middle of the process of reconstruction, solve so that managerial personnel take measures on customs clearance;
D, designed system raid administration module; The busy degree of ability supervisory system raid member dish; Comprise raid member's dish and main system data read-write busy extent, the busy degree of raid member's dish has been arranged, just can confirm when to do mirror-image copies; When module is done mirror-image copies, there is the cpu of module oneself to control;
2) design of the raid of system administration module hardware:
A, panel designs: design a little LCDs, be used to show the selection of various functions, the progress when carrying out various function, success and bomp show;
B, button design: 1) function selecting key is used to select various functions; 2) acknowledgement key is used to confirm the function executing of selecting; 3) shift key up and down;
C, designed system raid administration module need the CPU of oneself, can obtain the busy degree that the raid member of system dish is communicated by letter with main system, when carry out mirror-image copies so that start;
D, the dish of the member above the system raid still link to each other with system board through data line; Also link to each other simultaneously with management raid system disk module; The power supply of system raid member dish is by module controls, and it is directly to link to each other with system board that the member is coiled data line, and the continuous of management raid system disk module is to link to each other through an adapter; This adapter supervisory system raid member dish and the mutual frequent degree of main system data, but do not influence the data interaction between main system and the member's dish;
3) panel designs:
Because being used for the raid of system now is raid1 basically, so following panel has only been used two disk slots, following selection key; Be used for the selection that raid rebuilds function, when breaking down, select faulty disk is carried out power down process for raid member's dish; Acknowledgement key is mainly used in the function that options button is selected and confirms; So that administration module is carried out relevant function, upwards, button or be used for the selection of systemic-function downwards; The downward function key that makes progress or be used for the setting of password, the initial value of each all is 5 in the time of setting code;
Main frame and disk can not be affected because of the existence of adapter, regard as directly to communicate, and be identical with whether the adapter effect being arranged; But adapter obtains the data of communicating by letter between main frame and disk; Like this, system raid administration module obtains the busy degree of disk based on the flow of data, if when mirror-image copies will be done by system; And main frame and disk are communicated by letter relative idle the time; System raid administration module just can start mirror-image copies, and raid is rebuild, and in this process, does not need the participation of host CPU; It is that the data of two dishes are flowed that path is arranged in the adapter, and illustrative system raid administration module is an embedded integrated circuit board that oneself has cpu once more;
4) software module flow scheme design:
System raid management mould has oneself and gets working procedure, and the internal memory of the direct burned system raid management mould of program, most importantly when carries out mirror-image copies for the raid of system management mould;
Because the administration module of the raid of system can have influence on the security of operation of total system; So the operation of system raid administration module must be the managerial personnel of system; Must carry out cipher authentication, the authentication of password is when just the raid of system management mould being operated, to carry out;
5) the software function that need realize has following several steps:
A, cipher authentication;
The selection of b, function: comprise that raid rebuilds, check the reconstruction progress, the faulty disk outage renews the dish back and recovers outage, and the raid stripe size when beginning to create the raid of system is selected, and the raid type selecting is selected member's dish and HotSpare disk;
Safety logs off after c, the completion;
6) each modular design need describe the raid process of reconstruction:
Topmost in the Raid process of reconstruction have following a few part:
Whether (1) obtain the raid member of system dish busy, if busy then temporarily wait for, if busy then check system first copying data whether accomplish;
(2), then carry out data comparison verification, if not have completion then proceed the copy of data if copying data is accomplished first;
(3) in the comparison verification,, different data blocks is copied again the verification of comparing of the data block of two dishes after for the first time copy is accomplished; And the comparison data block is recorded in the middle of the file, then main system is judged the operation of system disk, judge whether it is the retouching operation that the data block of comparison verification is carried out; If; Then data block is copied again, if not, then proceed to compare verification;
(4) judge whether the comparison verification is accomplished; If do not proceed for the 3rd step; If accomplish, then send raid and rebuild completion information to main system, whether raid accomplishes can to coil number identical with original system raid member from the data block number of comparison verification; If identical and main system is not carried out write operation to each data block then can be regarded the comparison verification as and accomplish, and thinks that the raid of system rebuilds completion.
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| CN102520880B (en) | 2014-11-05 |
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